Santo Antônio do Sudoeste weather in April

In April, Santo Antônio do Sudoeste sees average daytime highs of 26°C and overnight lows near 17°C, with 150 mm of rain across 9.9 wet days and about 11.4 hours of daylight. It is the 7th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 24°C by the end. The sky is clear or mostly clear about 45% of the time in April, and the air most often feels humid.

Daylight stretches from about 11 h 48 min at the start of April to 11 h 06 min by month's end. Set against the rest of the year, April is Santo Antônio do Sudoeste's 4th-clearest and 8th-windiest month. For the whole year in context, see Santo Antônio do Sudoeste's year-round climate.

Daytime high
26°
7th warmest
Overnight low
17°
6th coldest
Rainfall
150 mm
9.9 wet days
Daylight
11 h 24 min
7:54 AM – 7:17 PM
Cloud cover
51%
4th clearest
Wind
9 km/h
8th windiest
Solar energy
4.29 kWh/m²
Travel score
6.8
out of 10

Santo Antônio do Sudoeste is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 27°C in the first days to 24°C by the end.

A typical April day in Santo Antônio do Sudoeste reaches about 26°C in the afternoon and slips back to 17°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 30°C. Set against its neighbours, April runs about 2°C cooler than March and about 4°C warmer than May.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12718
22718
32718
42718
52718
62718
72717
82717
92717
102717
112617
122617
132617
142617
152617
162617
172616
182616
192516
202516
212516
222516
232516
242516
252516
262515
272415
282415
292415
302415

Santo Antônio do Sudoeste weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 20°17417.413.44.4
Feb29° / 20°16316.212.94.6
Mar28° / 19°14113.812.25.6
Apr26° / 17°1509.911.46.8
May22° / 13°1739.810.76.8
Jun21° / 12°16910.210.46.5
Jul21° / 11°1358.710.56.9
Aug23° / 13°1107.411.17.6
Sep25° / 15°1731111.86.9
Oct26° / 17°2261412.66.0
Nov28° / 18°16512.913.35.8
Dec29° / 19°19516.613.64.7

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 12% of April, with mostly cloudy or overcast conditions the remaining 43%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15545
25545
35644
45644
55743
65743
75842
85842
95743
105842
115842
125941
135941
145842
155842
165842
175743
185743
195743
205743
215743
225644
235644
245743
255644
265644
275644
285545
295545
305545

Chance of precipitation in April

Any precipitation

Santo Antônio do Sudoeste gets around 150 mm of rain over 9.9 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 34% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
138
237
336
436
535
635
734
834
934
1033
1133
1234
1334
1434
1534
1635
1735
1835
1935
2035
2134
2234
2334
2433
2533
2632
2732
2831
2931
3030

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April lands in the humid band about 34% of days. Sticky, muggy-or-worse air turns up on roughly 33% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
171334414
281334414
381334404
491334404
5101334404
6111333394
7111333394
8121333383
9131333383
10131333373
11141433372
12151433362
13151433352
14151533352
15161633341
16161634331
17161734331
18161834321
19161934301
20152035290
21162135280
22162335260
23162436240
24162536230
25172636210
26172636200
27182736190
28192736170
29202836160
30212836150

Wind in April

Winds average 9 km/h in April.

Across April, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 48 min at the start of April to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over April. Sunrise moves from 7:46 AM to 8:01 AM, and sunset from 7:33 PM to 7:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.87:467:33
211.77:477:32
311.77:477:30
411.77:487:29
511.77:487:28
611.67:497:27
711.67:497:26
811.67:507:25
911.67:507:24
1011.57:517:23
1111.57:517:22
1211.57:527:21
1311.57:527:20
1411.47:537:19
1511.47:537:18
1611.47:547:17
1711.47:547:16
1811.37:557:15
1911.37:557:14
2011.37:567:13
2111.37:567:12
2211.27:577:11
2311.27:577:10
2411.27:587:09
2511.27:587:08
2611.17:597:07
2711.17:597:06
2811.18:007:06
2911.18:007:05
3011.18:017:04

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.29 kWh/m².

For context, solar energy here swings from a low near 2.85 kWh/m² to a high of 6.27 kWh/m² in December across the year — April's 4.29 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.4Bright
124.4Bright
134.4Bright
144.3Bright
154.3Bright
164.3Bright
174.2Bright
184.2Bright
194.1Bright
204.1Bright
214.1Bright
224.0Bright
234.0Bright
244.0Moderate
254.0Moderate
263.9Moderate
273.9Moderate
283.9Moderate
293.8Moderate
303.8Moderate
Planning a trip in April

Is April a good time to visit Santo Antônio do Sudoeste?

Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.8
Sightseeing
4th-best month of the year
6.4
Beach & pool
1st-best month of the year

April is a reasonable time to visit Santo Antônio do Sudoeste for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Santo Antônio do Sudoeste in April

From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In April, Santo Antônio do Sudoeste sees daytime highs around 26°C and nights near 17°C. Worth packing: light clothes and rain gear. About 10 days see rain.

light clothesrain gear

UV index in Santo Antônio do Sudoeste in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santo Antônio do Sudoeste peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 5 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 22UV 15Jul 10UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5Moderate
Jul5Moderate
Aug6High
Sep7High
Oct10Very high
Nov12Extreme
Dec13Extreme

Air quality in Santo Antônio do Sudoeste in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in Santo Antônio do Sudoeste is worst in September — around 24 µg/m³ PM2.5 (moderate), about 4.1× the cleanest month (March, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1023 µg/m³Mar 176 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar6Good
Apr7Good
May6Good
Jun6Good
Jul10Good
Aug22Moderate
Sep24Moderate
Oct12Good
Nov9Good
Dec7Good
Location & terrain

Where is Santo Antônio do Sudoeste?

Santo Antônio do Sudoeste sits at 26.1°S, 53.7°W, 544 m above sea level, in Brazil. The nearest listed city is Dionísio Cerqueira, 22 km away.

Topography around Santo Antônio do Sudoeste

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santo Antônio do Sudoeste.

Within 3 km, the terrain around Santo Antônio do Sudoeste has only modest variations in elevation — a maximum elevation change of 166 m around an average of 555 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 435 m; within 80 km, large variations in elevation — a maximum elevation change of 810 m.

The land around Santo Antônio do Sudoeste is covered by trees (43%) and cropland (22%) within 3 km, trees (55%) and cropland (30%) within 16 km, and trees (67%) within 80 km.

3 km
166 m
16 km
435 m
80 km
810 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Dionísio Cerqueira 22 km · Ampére 31 km · Realeza 39 km · Capanema 45 km · Salto do Lontra 53 km · Francisco Beltrão 67 km · Marmeleiro 70 km · San Pedro 72 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Santo Antônio do Sudoeste (-26.0736°, -53.7253°, elevation 544 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).